Home / 17,130.12-23,602.68-11,531.40

Finding the Fourth Proportional to 17,130.12, 23,602.68 and 11,531.40

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Solution

The fourth proportional to 17,130.12, 23,602.68 and 11,531.40 is: 15,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.12 : 23,602.68 = 11,531.40 : x
  2. Step 2: Convert to fraction form
    17,130.12/23,602.68 = 11,531.40/x
  3. Step 3: Cross multiply
    17,130.12x = 23,602.68 × 11,531.40
  4. Step 4: Simplify right side
    17,130.12x = 272,171,944.15
  5. Step 5: Solve for x
    x = 272,171,944.15/17,130.12
  6. Step 6: Final answer
    x = 15,888.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.